Micro Bridge
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New Features

What is Micro
Bridge?


Fair Play Algorithms

Bidding Options

Making Your Own
Bidding Systems


Defenders' Signals

Game Mode

Player Mode

Making Hands

Network Play

Other Features
New Features in Micro Bridge 13
Micro Bridge 13 offers the following new features:

Bidding System

  • Extended Bidding Systems
    The bidding data tables become increasingly more detailed and 40% larger than version 12.
  • New Bidding Options:
    Negative Doubles (Through 3S)
    Weak Jump Shifts in Competition
    Leaping Michaels
  • Updated Pre-Defined Bidding Systems
Play
  • Improved and Faster Play Algorithm
    Bid and play skill of version 13 is about 0.3 IMPs/board stronger than version 12.
Miscellaneous
  • User interface supports Windows themes.
  • Supports SXGA(1280x1024) window size.
  • Adds 'Start Free Play' command
  • Supports Windows XP/Vista/7/8 (Windows 98/Me/2000 are no longer supported).

New Features in Micro Bridge 12
Micro Bridge 12 offers the following new features:

Play

  • Improved Play Algorithm
    Version 11 required 3GHz Pentium4 CPU power to play at the highest level, and its search depth was 3 tricks. Its end play zone (exhaustive search) was the last 7 tricks.
    The highest level of version 12 requires 6GHz Core2 CPU power (its performance is equal to about 15GHz Pentium4) and enables deeper (4 tricks) search depth. The end play zone is last 8 tricks. Version 12 is about 0.3 IMPs/board stronger than version 11.
Bidding System
  • Extended Bidding Systems
    The bidding data tables become increasingly more detailed and 10% larger than version 11.
  • Updated Pre-Defined Bidding Systems
Miscellaneous
  • Supports HTML Help.
  • Supports Windows 98/Me/2000/XP/Vista/7 (Windows 95 and NT4.0 are no longer supported).

New Features in Micro Bridge 11
Micro Bridge 11 offers the following new features:

Play

  • Improved Play Algorithm
    Version 10 required 1.2GHz CPU power to play at the highest level, and its search depth was 2 tricks.
    The highest level of version 11 requires over 3GHz CPU and enables deeper (3 tricks) search depth. Version 11 is about 0.5 IMPs/board stronger than Version 10.
  • New Leads Options
    Lead from AK options (vs. notrump and vs. suit respectively)
    Lead from Four Small Cards (Top, Second, Same as Length Leads)
    Lead from Five or more Small Cards (Top, Second, Same as Length Leads)
    Zero or Two Higher Leads
Bidding System
  • Extended Bidding Systems
    The bidding data tables become increasingly more detailed and 15% larger than version 10.
  • Updated Pre-Defined Bidding Systems
  • New Bidding Options
    Roman Key Card Blackwood (0314 and 1430 types)
    Support Doubles, Support Redoubles
    9HCP light opening
Miscellaneous
  • Supports Output of PBN Files (Portable Bridge Notation)
  • Supports Input of Play History in PBN Files
  • More Detailed Restricted Deal Conditions
  • Displays the Record of the Closed Room Play
    You can display the Closed Room play trick by trick (Can be used with 2-Team Match, Play Hand Records, and Load PBN Files session)
  • Updated Hand Print Format (12 boards /sheet)
  • Hand Print Function of Hand Editor
  • Includes Alert Message in Hand Record File
  • Displays Dummy Indicator
  • Supports Percentage Score
  • New Alert Options: Alerts all alertable calls, Alerts alertable calls through 3NT and No alerts.

New Features in Micro Bridge 10
Micro Bridge 10 offers the following new features:

Play

  • Improved Play Algorithm
    Version 9 required 1GHz CPU power to play at the highest level, and its end play zone (exhaustive search) was the last 6 tricks. The highest level of version 9 nearly corresponds to level 7 of version 10 and requires only 700MHz. 800MHz or faster CPU enables version 10 to perform an exhaustive search of the last 7 tricks. Version 10 also adopts more sophisticated algorithms.
  • New Signals Options
    Parity Leads
    Leads from Three Small Cards (Top, MUD, or Lowest)
    Leads from Four or more Small Cards (Top, Second, Same as Length Leads)
Bidding System
  • Extended Bidding Systems
    The bidding data tables become increasingly more detailed and over one and a half times larger than version 9. The bidding rules can be described more sophisticatedly.
    Suit strength: No stoppers, at most half stopper, existence of top honors, etc.
    HCP: Good and bad hand. For example, good 15 to bad 18.
    Playing trick: Range can be defined by half trick.
    Vulnerability: Four combinations can be specified.
    Rules depending on the scoring method (Match points and IMP).
  • Updated Pre-Defined Bidding Systems
  • New Bidding Options
    Checkback Stayman
    Variable Opening 2NT Range (20-21, 21-22, 22-24)
    1NT Opening Bids May Have a Weak 5-Card Major
    4-Response Stayman after 1NT Opening (French Style)
    2/2NT Minor Suit Transfer after 1NT Opening
    2/3 Minor Suit Transfer after 1NT Opening
    French 2 and 2 Opening
    Waiting 2 Response after Strong and Artificial 2 Opening
Miscellaneous
  • Supports PBN Files (Portable Bridge Notation)
    You can play Practice, 2-Team Match, and 3-Team Match using PBN files. Network play also supports PBN files.
  • Character Expression of Cards (Bridge Book Style).
  • Eight Regional Notations about Honors, Suits, Sides, and Vulnerabilities:
    Danish, Dutch, English, French, German, Italian, Spanish, and Swedish.
  • Choice of Your Seat When You Play as a Declarer Instead of Your Computer Partner
  • Delay Settings of the Computer Players' Bids and Card Plays
  • Supports Faster Baud Rate for Modem and Direct Serial Link (14400 and 38400).
  • 1999 Taipei International Bridge Club Saturday Games are added.
    Over 10,000 boards of actual tournament data are included.
  • Progresses from 16 to 32-bit Windows Application. Supports Long File Names.
  • Supports Windows 95/98/Me/NT4.0/2000/XP (Windows 3.1 is no longer supported).

New Features in Micro Bridge 9
Micro Bridge 9 offers the following new features:

Play

  • Improved Play Algorithm
    Version 8 required 350MHz CPU power to play at the highest level, and its end play zone (exhaustive search) was the last 4 tricks. The highest level of version 8 nearly corresponds to level 4 of version 9 and requires only 200MHz. The end play zone is the last 5 tricks. Micro Bridge 9 supports a wide range of CPU power (from 33 MHz to 1GHz), and the higher play level uses more sophisticated algorithms.
  • Two Types of Tactics: Match point and IMP tactics.
  • Signals Options
    You can specify the NS and EW side signals respectively. Options are: Lead from AK, Fourth Best lead or Third Best and Lowest (vs suit and notrump respectively), Count Signal, Standard or Upside-Down (attitude and count signal respectively). You can also specify the signals that declarer takes into account.
  • Optional Double Dummy Defense by Your Partner.
Bidding System
  • Extended Bidding Systems
    The bidding data tables increasingly become more detailed and over one and a half times as large as version 8.
  • New or Updated Pre-Defined Bidding Systems
    ACBL Club Series: Five Card Majors
    ACBL Standard Yellow Card: Five Card Majors
    Danish Standard (Simple): Five Card Spades
    Dutch Standard (Simple): Four Card Majors
    Dutch/Danish (Advanced): Five Card Spades
    Finnish Standard
    French Five Card Majors
    JBTA Five Card Major Standard (Japan Bridge Teachers' Association)
    Standard English System
    Swedish Standard
    Traditional ACOL
    Traditional Five Card Majors: Forcing Raises
    Traditional Four Card Majors: Forcing Raises
    Two Over One Game Force
  • New Bidding Options
    French Five Card Majors
    European Five Card Spades
    Opening with 4432 and 4333: Prepared Opening, Major Suit First, Lower Suit First
    2NT after 1/1=18-20 HCP(F), 17-18 HCP(NF)
    2NT after 2/1=15-18 HCP(F). 12-14 HCP(NF)
    New Minor Forcing
    Stenberg 2NT
    1NT-3/3=Game Invitation
    Cheaper Minor (Second negative after artificial 2 opening)
    Mini-Multi 2
    2NT-3=Puppet Stayman
    Four Card Suit Overcalls
    Preemptive Jump Raises in Competitive Auctions
    Maximal Overcall Doubles (Game Try Doubles)
    Cappelletti
    Ghestem
    Responsive Doubles after Overcalls
    Lebensohl After a Takeout Double of a Weak Two-Bid
    Sandwich Notrump (Weak Takeout 1NT)
Miscellaneous
  • Board-a-Match Scoring for 2-Team Match and Play Hand Records Sessions
  • View, Save, and Print Closed Room Play
  • Restart 2-Team Match
  • Review Auction and Play
  • Newly Designed Convention Card
  • Print Convention Card and Summary
  • Additional Information to the Bidding Information Windows: Alert (!), Forcing (F), Game Forcing (FG)
  • New Hand Print Format (six boards in a page)
  • Print Comments of Hands and Hand Records
  • Supports Large Cards and the Hand Layout Corresponding to XGA (1024x768) or Higher Resolutions
  • Table Top Color Variations
  • Horizontal Layout of Opponents' Hands
  • Starting Next Trick Automatically After Specified Delay Time
  • Utilities Menu to Call Up Five Utility Programs
  • Supports Windows 3.1/95/98/NT4.0/2000
  • 1988 to 1992 Japan Contract Bridge League Major Tournaments are included.
  • 1993 to 1998 Taipei International Bridge Club Saturday Games are included.